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目的 :通过对武汉市某区 180 0名 3岁以下婴幼儿发样分析 ,探讨该区婴幼儿发中铜、锌、铁、钙、镁含量的正常水平和婴幼儿部分微量元素营养状况。方法 :采集婴幼儿发样进行预处理后用火焰原子光谱法测定其铜、锌、铁、钙、镁含量 ,并对测定结果进行卫生统计学处理。结果 :发铜在性别间有显著性差异 (P <0 .0 5 ) ,年龄间差异无显著性 (P >0 0 5 ) ;发锌、钙、镁、铁性别间差异不显著 (P >0 .0 5 ) ,0～ 3月组与其它组别差异显著(P <0 0 5 ) ,0～ 3月婴儿发中铜、锌、铁、钙、镁含量均处于一个较高水平。锌、铜随着年龄的增长至 3～ 12月其含量均呈下降趋势 ,随着年龄进一步增长至 12～ 2 4月 ,其含量略呈回升趋势。铁、钙、镁的含量随年龄的增加呈下降趋势 ,但均处于正常水平 ,且钙与镁呈伴随趋势。结论 :婴幼儿应加强微量元素的营养补充。
OBJECTIVE: To analyze the normal levels of copper, zinc, iron, calcium and magnesium in infants and young children and the nutritional status of some trace elements in infants and young children by analyzing the samples of 180 0 infants under 3 years old in a district of Wuhan. Methods: Samples of infants and young children were collected for pretreatment. Flame atomic spectrometry (FAAS) was used to determine the content of copper, zinc, iron, calcium and magnesium, and the results were statistically analyzed. Results: There was significant difference between the sexes (P <0.05), there was no significant difference between the ages (P> 0.05), but there was no significant difference between the sexes (P> (P <0.05). The content of copper, zinc, iron, calcium and magnesium in infant hair from 0 to 3 months were all at a high level. The contents of zinc and copper decreased with the increase of age from March to December, and the content of zinc and copper showed a slight upward trend with the further increase of age to 12 ~ 24 months. The content of iron, calcium and magnesium decreased with the increase of age, but both were in the normal level, and calcium and magnesium were accompanied by the trend. Conclusion: Infants and young children should strengthen the nutritional supplements of trace elements.